/**
 * Copyright (C) <2021>  <chen junwen>
 * <p>
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * <p>
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.mycat.api.collector;

import io.mycat.beans.mycat.MycatRowMetaData;

import java.util.Objects;

public class RowIteratorUtil {
    public static String dumpColumnInfo(RowBaseIterator iterator) {
        StringBuilder sb = new StringBuilder();
        MycatRowMetaData mycatRowMetaData = iterator.getMetaData();
        int columnCount = mycatRowMetaData.getColumnCount();

        while (iterator.next()) {
            for (int i = 0; i < columnCount; i++) {
                sb.append(mycatRowMetaData.getColumnName(i)).append(":").append(Objects.toString(iterator.getObject(i))).append(" | ");
            }
            sb.append("\n");
        }

        return sb.toString();
    }
}